Nov 30 16:36:57.833 INFO checking ruma-signatures-0.4.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 16:36:57.834 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 16:36:58.151 INFO [stdout] db8472dfe7021ddf41dc5359d67d2b1fe711e98dff787be1d05930ff88799b7f
Nov 30 16:36:58.154 INFO running `"docker" "start" "-a" "db8472dfe7021ddf41dc5359d67d2b1fe711e98dff787be1d05930ff88799b7f"`
Nov 30 16:36:58.744 INFO [stderr] usermod: no changes
Nov 30 16:36:58.851 INFO [stderr]    Compiling ring v0.9.7
Nov 30 16:37:05.420 INFO [stderr]     Checking ruma-signatures v0.4.0 (/source)
Nov 30 16:37:07.171 INFO [stderr] warning: variable does not need to be mutable
Nov 30 16:37:07.171 INFO [stderr]    --> src/lib.rs:196:13
Nov 30 16:37:07.172 INFO [stderr]     |
Nov 30 16:37:07.172 INFO [stderr] 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Nov 30 16:37:07.176 INFO [stderr]     |             ----^^^^^^
Nov 30 16:37:07.176 INFO [stderr]     |             |
Nov 30 16:37:07.176 INFO [stderr]     |             help: remove this `mut`
Nov 30 16:37:07.176 INFO [stderr]     |
Nov 30 16:37:07.176 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 16:37:07.176 INFO [stderr] 
Nov 30 16:37:07.636 INFO [stderr] warning: variable does not need to be mutable
Nov 30 16:37:07.636 INFO [stderr]    --> src/lib.rs:196:13
Nov 30 16:37:07.636 INFO [stderr]     |
Nov 30 16:37:07.636 INFO [stderr] 196 |         let mut object = owned_value.as_object_mut().expect("safe since we checked above");
Nov 30 16:37:07.636 INFO [stderr]     |             ----^^^^^^
Nov 30 16:37:07.636 INFO [stderr]     |             |
Nov 30 16:37:07.636 INFO [stderr]     |             help: remove this `mut`
Nov 30 16:37:07.636 INFO [stderr]     |
Nov 30 16:37:07.636 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 16:37:07.636 INFO [stderr] 
Nov 30 16:37:07.747 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.98s
Nov 30 16:37:07.758 INFO [stderr] su: No module specific data is present
Nov 30 16:37:08.462 INFO running `"docker" "inspect" "db8472dfe7021ddf41dc5359d67d2b1fe711e98dff787be1d05930ff88799b7f"`
Nov 30 16:37:08.784 INFO running `"docker" "rm" "-f" "db8472dfe7021ddf41dc5359d67d2b1fe711e98dff787be1d05930ff88799b7f"`
Nov 30 16:37:09.072 INFO [stdout] db8472dfe7021ddf41dc5359d67d2b1fe711e98dff787be1d05930ff88799b7f